| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | deb Feng Yun 1B |
| Spacetrack catalog number | 6324 | 23261 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 16:20 | 2023 Mar 19 20:21 |
| Time of closest approach (UTC) | 2023 Feb 08 18:27:21.926 |
| Minimum distance | 122.116 km |
| Height difference | 0.765 km |
| Relative speed | 14.912 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 31.4°N, 2.6°W |
| Height | 747 km |
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